Merge tag 'mm-nonmm-stable-2022-08-06-2' of git://git.kernel.org/pub/scm/linux/kernel...

[linux-2.6-microblaze.git] / init / version.c

diff --git a/init/version.c b/init/version.c
index 1a356f5..b7f9559 100644 (file)
--- a/init/version.c
+++ b/init/version.c
@@ -11,6 +11,8 @@
 #include <linux/build-salt.h>
 #include <linux/elfnote-lto.h>
 #include <linux/export.h>
+#include <linux/init.h>
+#include <linux/printk.h>
 #include <linux/uts.h>
 #include <linux/utsname.h>
 #include <generated/utsrelease.h>
@@ -35,6 +37,21 @@ struct uts_namespace init_uts_ns = {
 };
 EXPORT_SYMBOL_GPL(init_uts_ns);
 
+static int __init early_hostname(char *arg)
+{
+       size_t bufsize = sizeof(init_uts_ns.name.nodename);
+       size_t maxlen  = bufsize - 1;
+       size_t arglen;
+
+       arglen = strlcpy(init_uts_ns.name.nodename, arg, bufsize);
+       if (arglen > maxlen) {
+               pr_warn("hostname parameter exceeds %zd characters and will be truncated",
+                       maxlen);
+       }
+       return 0;
+}
+early_param("hostname", early_hostname);
+
 /* FIXED STRINGS! Don't touch! */
 const char linux_banner[] =
        "Linux version " UTS_RELEASE " (" LINUX_COMPILE_BY "@"